Content description:
Laminated poster printed on white paper. At the top left is "California, Nevada, / and the Pacific / Ocean floor". At the center of the poster are three images of California, Nevada, and the Pacific Ocean - five million years ago at the bottom left, present at the center, and five million years into the future at the top right. At the bottom right is "the present, / five million years ago, / and five million years into the future".